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3 years ago

If the radius of one of the semicircles is 7 meters, what is the circumference of one of the semicircles?

Mathematics

2 answers:

lawyer [7]3 years ago

8 0

Answer:The answer is 43.96

ENjoy

svp [43]3 years ago

6 0

Answer:

21.98 m

. i had this question on my test, good luck~ <3

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Express sin A,cos A and tan A as ratios

OverLord2011 [107]

Answer:

Part A) $sin(A)=\frac{2\sqrt{42}}{23}$

Part B) $cos(A)=\frac{19}{23}$

Part C) $tan(A)=\frac{2\sqrt{42}}{19}$

Step-by-step explanation:

Part A) we know that

In the right triangle ABC of the figure the sine of angle A is equal to divide the opposite side angle A by the hypotenuse

$sin(A)=\frac{BC}{AB}$

substitute the values

$sin(A)=\frac{2\sqrt{42}}{23}$

Part B) we know that

In the right triangle ABC of the figure the cosine of angle A is equal to divide the adjacent side angle A by the hypotenuse

$cos(A)=\frac{AC}{AB}$

substitute the values

$cos(A)=\frac{19}{23}$

Part C) we know that

In the right triangle ABC of the figure the tangent of angle A is equal to divide the opposite side angle A by the adjacent side angle A

$tan(A)=\frac{BC}{AC}$

substitute the values

$tan(A)=\frac{2\sqrt{42}}{19}$

8 0

2 years ago

pretende-se guardar um cano de 42cm de comprimento em uma caixa de ferramentas retangular, cuja as medidas são 36cm de comprimen

galina1969 [7]

Answer:

Step-by-step explanation:

Não porque a caixa seria muito menor que o cano.

3 0

3 years ago

Please someone can help me with #13, 15 and 16 Thanks.

ladessa [460]

What's the question though?

8 0

3 years ago

On a coordinate plane, an image rectangle has points (negative 5, 0), (5, 0), A prime (5, negative 5), (negative 5, negative 5).

aev [14]

Answer:(5/3,5/3)

Step-by-step explanation: I did the test ;D

6 0

2 years ago

Read 2 more answers

Which of the following inequalities matches the graph? PLZ HELP DUE TODAY

balandron [24]

Answer:

A. 2x + y < 7

Step-by-step explanation:

the slope is negative and the y-intercept is positive

6 0

2 years ago